Malicious PDF — malware analysis report

Static analysis result for SHA-256 50596a7213278622…

MALICIOUS

PDF

38.9 KB Authoring application: PDFedit
MD5: 8baa7ca76dd082e850c0fd5684c72945 SHA-1: 232bea06be92a270bfca3beb4c84a2749c3074fb SHA-256: 50596a7213278622f9d6b67a843ae675f57872877feade197d0be95a392f4e20
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. This is indicative of a link farm or a phishing lure designed to redirect users to potentially malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://martelokonji.com/uploads/1/3/0/5/130590355/fidudanimo_nofanejedepaju_totan.pdf
    • http://paranormalavengers.com/uploads/1/3/0/4/130475932/ab11b7c385.pdf
    • http://radtacular.net/uploads/1/3/0/5/130588784/5742507.pdf
    • http://shadowbiz.ru/uploads/2020/01/28/26e2eb2a2d2e.pdf
    • http://bioinnovation.co.uk/uploads/1/3/0/2/130287454/4025706.pdf
    • https://zobegubitabid.weebly.com/uploads/1/3/0/2/130289204/vegizuweret_kasixena.pdf
    • http://naditesar.2bratika.ru/uploads/2020/01/29/modogarow.pdf
    • https://mugeburusajo.weebly.com/uploads/1/3/0/4/130475892/bafibegorotaga-jutulefala-sofemij-zikupexon.pdf
    • http://stazkoassociates.com/uploads/1/3/0/2/130291783/mojolutopozazu.pdf
    • http://beachvita.com/uploads/1/3/0/4/130476327/541275.pdf
    • http://san69.com/uploads/1/3/0/2/130272415/foditum.pdf
    • http://triciazoellerauthor.com/uploads/1/3/0/6/130604494/padinexidife_purene.pdf
    • http://marleyandcophotography.com/uploads/1/3/0/6/130603825/6770560.pdf
    • http://jivudiket.idokhvshop.ru/uploads/2020/01/28/rujitozizomujew-darofosum-nalunegelifowax.pdf
    • http://rentalspacificgrove.com/uploads/1/3/0/6/130604950/1bcb8c0584c3e9.pdf
    • http://nutrition-doctor.co.uk/uploads/1/3/0/3/130323934/8969405.pdf
    • http://nashobavalleyextractco.com/uploads/1/3/0/6/130604423/130604423.html#ap+sachivalayam+digital+assistant+books+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016a5.bin
b5ab36843d8b8c1d28a783344b16699c6bec949ed65595864070c6d19b3b6e44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16A5 8412 bytes

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